Title:
Air filtration
United States Patent 3204391
Inventors:
Louis, Schwab
Publication Date:
09/07/1965
Export Citation:
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Assignee:
Louis, Schwab
Primary Class:
55/374
Other Classes:
55/380, 55/487, 55/490, 55/DIG.2, 210/315, 210/338, 210/447, 210/448
International Classes:
B01D46/02; B01D46/02
View Patent Images:
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US Patent References:
2964127Gas filtering apparatus
2833372Vacuum cleaner equipped with disposable bag
2804166Dust containers for vacuum cleaners
2732911N/A
2327225Suction cleaning apparatus
2272394Suction cleaner
2007518Dust collector for vacuum cleaners
1842294Double dust bag for vacuum cleaners
1827496Dust collecting bag for vacuum sweepers
1363753Dust-collecting receptacle for vacuum-cleaners
Foreign References:
FR701447A
GB395814A